Weather Forecast for Arraial do Cabo

Rio de Janeiro, Brazil

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Current Weather - Arraial do Cabo: 21°C

Rio de Janeiro, Brazil

Clear

Feels like 14°C

Wind

50 km/h NE

Humidity

85%

Pressure

1015 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Friday, September 04, 2026

High

23°C

Low

20°C

Rain Chance

11%

Hourly Forecast

Clear 20°C
05:00
Sunny 20°C
06:00
Sunny 20°C
07:00
Sunny 21°C
08:00
Sunny 21°C
09:00
Sunny 21°C
10:00
Sunny 22°C
11:00
Sunny 22°C
12:00
Sunny 23°C
13:00
Sunny 23°C
14:00
Sunny 23°C
15:00
Sunny 23°C
16:00
Sunny 23°C
17:00
Clear 22°C
18:00
Clear 22°C
19:00
Clear 22°C
20:00
Clear 22°C
21:00
Clear 22°C
22:00
Clear 22°C
23:00
Sep 05

Day Statistics

Maximum Wind

51 km/h

Humidity

84%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

11%

Snow Chance

0%

Sun & Moon

Sunrise

05:55 AM

Sunset

05:38 PM

Moonrise

Does not rise today

Moonset

10:35 AM

Moon Phase

Last Quarter

Moon Illumination

39%

Air Quality

PM2.5

14.6

μg/m³

PM10

19

μg/m³

NO₂

7.8

μg/m³

O₃

75.6

μg/m³

SO₂

1.8

μg/m³

CO

159.6

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

When to visit Arraial do Cabo?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
27°C
💧
13 Days of rain
❄️
No snowfall

February

☀️
27°C
💧
9 Days of rain
❄️
No snowfall

March

☀️
27°C
💧
16 Days of rain
❄️
No snowfall
🔥 Hottest month
🌧 Wettest month,

April

☀️
26°C
💧
9 Days of rain
❄️
No snowfall

May

☀️
25°C
💧
9 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
24°C
💧
6 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
23°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit
🥶 Coldest month
🌵 Driest month

September

☀️
23°C
💧
7 Days of rain
❄️
No snowfall

October

☀️
24°C
💧
8 Days of rain
❄️
No snowfall

November

☀️
25°C
💧
15 Days of rain
❄️
No snowfall

December

☀️
26°C
💧
14 Days of rain
❄️
No snowfall